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Spotless dice
Upon Amie Albrecht and Cathy Wilton's request, I am writing a blog post about a problem we worked on at One Hundred Factorial recently. A few weeks ago we became interested in problems involving removing spots from dice.
The right order for the fundamental trig identity
If you google "fundamental trig identity" you will get many many images and handouts which all list the fundamental trig identity as:
[Read more about The right order for the fundamental trig identity]
